Operation CHARM: Car repair manuals for everyone.

Barometric Pressure Sensor

NOTE: Apply vacuum to sensor at Barometric side. Measure voltage at Powertrain Control Module (PCM) terminal 3H.

86.3 kPa (26.0 in. Hg) Approx. 0.3 volts
61.3 kPa (18.1 in. Hg) Approx. 1.6 volts
6.3 kPa (1.9 in. Hg) Approx. 4.4 volts